1. One card reader for multiple cards with 5 card slots 1 in 5 USBC3 0 memory card reader designed with 5 card slots, allowing you to read and transfer data 2. Compatible with devices for , ideapad, , Air Retina, etc. 3. Fast transfer to 5gbps (10 times faster than USB 2.0 interface), upload photos and videos in seconds 4. Unicersal compatibility for 10/8/8. 1/7/Vista/XP and and Chrome OS plug and play Product Description: Model: CR307-A & CR307-C Interface: USB 3.0 Support memory card , SD, TF, XD, CFastMMC, MS PRO, MS Duo Installation method: external Requirements: All systems are supported Style: simple style Interface type: USB 3.0 Type: Multi-function card reader Applicable objects: office workers size: 11.6 x 3.5 x 1CM Material: aluminum alloy colour: grey Package Contents: 2 x USB 5 in 1 multi-function card reader 2 x Chinese and English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.